Nowadays, activities and decisions making in an organization is based on data and information obtained from data analysis, which provides various services for constructing reliable and accurate… (More)

Rough set theory provides the reduct and the core concepts for knowledge reduction. The cost of reduct set computation is highly influenced by the attribute set size of the dataset where the problem… (More)

The global economy crisis reveals the advantages of Open Source Software (OSS). Software developers benefit not only from reduced cost of acquisition, but also access to source code and components.… (More)

Schema matching is a basic problem in many database application domains, such as data integration. The problem of schema matching can be formulated as follows, “given two schemas, Si and Sj, find the… (More)

During the last decade, the use of parallel and distributed systems has become more popular. Dividing data is one of the challenges in this type of systems. Divisible Load Theory (DLT) is one of the… (More)

During the last decade, the use of parallel and distributed systems has become more common. In these systems, a huge chunk of data or computation is distributed among many systems in order to obtain… (More)